This nourishing facial serum is a very special one in my recipe book. Made with four of my favorite skin care oils, this blend is deeply hydrating and yields a lovely bronzing hue that can be tailored to many skin tones. The star of this recipe is sea buckthorn oil, which in my opinion, is an underutilized oil that doesn’t get the recognition it deserves. While most skin care oils are pressed from the seeds of a given plant, sea buckthorn oil is pressed from the seeds and berries which yiel...